NuScan 4300B

Bluetooth 2D Ring Wearable Barcode Scanner


The Adesso Nuscan 4300B is a portable Bluetooth® 2D ring wearable barcode scanner, perfect for use in retail, warehouse, and distribution environments. Its compact ring design allows users to wear the scanner on their fingers, freeing up their hands for other tasks. With a 2D scanning engine, this scanner can quickly and accurately read all types of barcodes, including QR codes and Data Matrix codes. Its superior scanning performance and reliable data collection ensure that no barcode is missed. With drop protection and a long scanning range, this scanner is durable and can capture barcodes from a distance, reducing the need for manual scanning. Whether you need to scan barcodes on products, shelves, or inventory, the Adesso Nuscan 4300B is a versatile and efficient solution.

Easy loading paper, out-off paper, with near-end sensor
Low on thermal paper, have a paper jam or a printing error? The NuPrint 220B has a flashing LED for reminder paper printing, error, lack of paper, without tearing paper warning
Supports Windows, Android, and Linux OS systems
Whether your operation is from a PC, Android, Laptop, or POS system, be assured that the NuPrint 220B connects and prints from multiple devices giving you a wide range of choices for your POS setup.
2D Scanning Engine

The 2D scanning engine offers decoding capability for 2D barcodes like PDF417, Data Matrix, QR Code, MicroQR as well as common 1D barcodes.

Superior Scanning Performance
Equipped with its CMOS sensor the device has a motion tolerance of 24 inches per second, offering fast and accurate scanning results.
Drop Protection
With its drop protection and rugged design, the NuScan 4300B can withstand accidental drops of up to 5 feet.
Long Scanning Range

The 2D CMOS decoding engine is able to scan barcodes up to 12 inches in scan depth.


2D Common Uses: 1D Common Uses:Specifications:
Connectivity: Bluetooth 5.0 Compliant
Wireless Range: 50 ft.
Imager: 1280 x 800 CMOS
Light Source: 650 ± 10 nm visible red LED & White
Depth of Field: 0-12 inches (@20mil EAN-13, PC 100%)
Scan Angle: Roll: ±360°, Pitch: ±70°, Yaw: ±70°
Motion Tolerance: 24 inches per second (IPS)
Minimum Bar Width (1D): 5 mil/0.127 mm @ PCS 90%, Code 39
Minimum Bar Width (2D): 10 mil/0.254 mm @ PCS 80%, Data Matrix.
Print Contrast: PCS 30% EAN13 @10mil
Indicators (LED): Red
Alert Operation: Programmable Beeper Tone
Input Voltage: Operating Current: 3.3 ± 5% VDC
Dimensions: 4.21 (L) x 1.89 (W) x 1.0 (H) in. (54 x 42 x 44 mm)
Weight: 2.96 oz. (44 grams, excluding cable)
Cable: 3′ 4″(1 meter)
Operating Temperature: -20°C to 50°C (-4°F to 122°F)
Storage Temperature: 40°C to 70°C (-40°F to 158°F)
Humidity: 5% to 95% (non-condensing)
Light Levels: Max 70,000 lux
Supported Symbologies
1D: UPC/EAN/JAN, UPC/EAN with supplementary, JAN 8 & Jan 13, ISBN/ISSN, Code 39, ASCII, Codabar, Code 128, Code 93, Interleaved 2 of 5, Industrial 2 of 5, Standard 2 of 5,
GS1 DataBar, Matrix 2 of 5.
2D: QR code, PDF417, MicroQR, Data Matrix, Matrix, Azetec.

System Requirements:

  • Windows® 7 & above; Mac® OS X; iOS & Android
  • : Bluetooth 5.0 or 2.4G Wireless (USB port required for charging cable)


    • Adesso NuScan 4300b – Bluetooth 2D Ring Wearable Barcode Scanner
    • Quick Start Guide
ModelNuscan 4300B
Nuscan 4400T
Nuscan 4500T
Nuscan 2600U
Nuscan 2700R
Nuscan 2800U
Scan Rate24 inches per second (IPS)24 inches per second (IPS)24" /Second300 scans/Second120 scans/Second120 scans/Second
Weight2.96 Oz. 2.96 oz0.83 lbs0.26lbs0.22lbs0.88lbs
Light Source650 ± 10 nm visible red LED & White650 ± 10 nm visible red LED & White650 ± 10 nm visible red LED & White640nm Visible red LED640nm Visible Red LED640nm Visible Red LED
Support OSWindows/Mac OSWindows/Mac OSWindows/Mac OSWindows/Mac OSWindows/Mac OSWindows/Mac OS
Supported 1D Barcode Technologies

Supported 2D Barcode Technologies
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UPC Code
Package Dimensions
Package Weight

NuScan 4300B


5.3 x 4.5 x 1.9 Inch

0.17  lb